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86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
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// Copyright 2017 Peter Dimov.
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// Distributed under the Boost Software License, Version 1.0.
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#include <boost/hash2/is_tuple_like.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <boost/array.hpp>
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#include <boost/config.hpp>
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#include <utility>
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#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
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# include <array>
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#endif
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#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
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# include <tuple>
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#endif
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struct X
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{
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};
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int main()
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{
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using boost::hash2::is_tuple_like;
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BOOST_TEST_TRAIT_FALSE((is_tuple_like<void>));
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BOOST_TEST_TRAIT_FALSE((is_tuple_like<void const>));
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BOOST_TEST_TRAIT_FALSE((is_tuple_like<int>));
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BOOST_TEST_TRAIT_FALSE((is_tuple_like<int const>));
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BOOST_TEST_TRAIT_FALSE((is_tuple_like<X>));
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BOOST_TEST_TRAIT_FALSE((is_tuple_like<X const>));
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BOOST_TEST_TRAIT_FALSE((is_tuple_like<int[2]>));
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BOOST_TEST_TRAIT_FALSE((is_tuple_like<int const[2]>));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::pair<int, X> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::pair<int, X> const >));
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#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 0> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 0> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 1> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 1> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 2> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 2> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 3> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::array<X, 3> const >));
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#endif
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#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X, X> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X, X> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X, X, X> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< std::tuple<X, X, X> const >));
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#endif
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< boost::array<X, 0> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< boost::array<X, 0> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< boost::array<X, 1> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< boost::array<X, 1> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< boost::array<X, 2> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< boost::array<X, 2> const >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< boost::array<X, 3> >));
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BOOST_TEST_TRAIT_TRUE((is_tuple_like< boost::array<X, 3> const >));
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return boost::report_errors();
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}
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